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CCST > Exam: The Internet Protocol > Flashcards

Exam: The Internet Protocol Flashcards

1
Q

IPV4

A

The IPv4 address is a logical network address that identifies a particular host. Must be configured within a LAN for local and configured for remote communication (the internet).

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2
Q

Where can the IPV4 be found?

A

On the network interface card (NIC). Some servers can have more than one NIC and each of these has its own IPv4 address.

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3
Q

How do you know the local network IP address?

A

First three parts to the IP address

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4
Q

How do you know the individual host numbers?

A

Last part of the IP address

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5
Q

What is the purpose of the subnet mask in conjunction with an IP address?

A

to determine the subnet to which the host belongs

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6
Q

How many octets exist in an IPv4 address?

A

4

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7
Q

What criterion must be followed in the design of an IPv4 addressing scheme for end devices?

A

Each IP address must be unique within the local network

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8
Q

Which two parts are components of an IPv4 address?

A

network portion & host portion

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9
Q

What are two features of IPv4 addresses?

A

An IPv4 addressing scheme is hierarchical & IPv4 is a logical addressing scheme

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10
Q

How large are IPv4 addresses?

A

32-bit

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11
Q

Why do Multicast transmission reduce traffic?

A

Multicast transmission reduces traffic by allowing a host to send a single packet to a selected set of hosts that subscribe to a multicast group

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12
Q

What happens when a router receves a broadcast?

A

Routers do not propagate broadcasts. Each router interface connects to a broadcast domain and broadcasts are only propagated within that specific broadcast domain.

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13
Q

Which statement describes one purpose of the subnet mask setting for a host?

A

It is used to determine to which network the host is connected.

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14
Q

What is one reason for subnetting an IP network?

A

to reduce the scope of broadcast flooding

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15
Q

A user is unable to access the company server from a computer. On issuing the ipconfig command, the user finds that the IP address of the computer is displayed as 169.254.0.2. What type of address is this?

A

link-local

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16
Q

A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why?

A

This is a private IP address.

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17
Q

A host is transmitting a broadcast. Which host or hosts will receive it?

A

all hosts in the same network

18
Q

Which address prefix range is reserved for IPv4 multicast?

A

224.0.0.0 – 239.255.255.255

19
Q

What is the role of IANA?

A

managing the allocation of IP addresses and domain names

20
Q

IPv6

A

IPv6 has a larger 128-bit address space, providing 340 undecillion (i.e., 340 followed by 36 zeroes) possible addresses.

21
Q

What are the three categories for administrators migrating to IPv6 from the IETF?

A

Dual Stack, Tunneling, and Translation

22
Q

Dual Stack

A

Dual stack allows IPv4 and IPv6 to coexist on the same network segment. (Known as native IPv6)

23
Q

Tunneling

A

Transporting an IPv6 packet over an IPv4 network.

24
Q

Transaltion

A

Network Address Translation 64 (NAT64) allows IPv6-enabled devices to communicate with IPv4-enabled devices using a translation technique similar to NAT for IPv4. An IPv6 packet is translated to an IPv4 packet and an IPv4 packet is translated to an IPv6 packet.

25
Q

What are the two rules for IPv6 compression?

A

Omit Leading 0s & The Double Colon ::

26
Q

Which letter represents the hexadecimal value of the decimal number 15?

A

F

27
Q

Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures?

A

tunneling

28
Q

IPv6 increases the IP address size from 32 bits to how many bits?

A

128

29
Q

Which technology enables devices in an IPv6-only network to communicate with devices in an IPv4-only network?

A

NAT64

30
Q

Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.)

A

IPv6 addresses are represented by hexadecimal numbers. & IPv4 addresses are 32 bits in length.

31
Q

DHCP

A

Dynamic Host Configuration Protocol (DHCP) automatically assigns addressing information such as IPv4 address, subnet mask, default gateway, and other configuration information.

32
Q

What are the advantages to DHCP over static assignment in IPv4?

A

It reduces the burden on network support staff and virtually eliminates entry errors & not permanently assigned to a host but is only leased for a period of time.

33
Q

What are the steps for a end device and a DHCP server?

A

DHCP Discover, DHCP Offer, DHCP Request, & DHCP Ack

34
Q

Which message does an IPv4 host use to reply when it receives a DHCPOFFER message from a DHCP server?

A

DHCPREQUEST

35
Q

Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?

A

255.255.255.255

36
Q

Which type of packet is sent by a DHCP server after receiving a DHCP Discover message?

A

DHCP Offer

37
Q

A host PC is attempting to lease an address through DHCP. What message is sent by the server to let the client know it is able to use the provided IP information?

A

DHCPACK

38
Q

A home wireless router is configured to act as a DHCP server. The IP address range is configured to be 192.168.0.100 - 149. What IP address will be assigned automatically to the first device that connects to the wireless router?

A

192.168.0.100

39
Q

What is one advantage of using DHCP to assign addresses to mobile devices?

A

Address leases are temporary and are returned to the pool when the device is turned off.

40
Q

Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks?

A

It eliminates most address configuration errors & It reduces the burden on network support staff

CCST (13 decks)

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